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HR22581 ✓ Verified by PartsTable
— · COMPONENT
WHAT YOU NEED TO KNOW
Verify manufacturer and server generation compatibility Check if Option PN or Spare PN — same part, different channel
Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW

The RING,CASE RETAINING is a the manufacturer industrial component. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5365-00-218-5458, indicating validated use in U.S.

government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels. Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
HR22581
NSN: 5365-00-218-5458
FSC: 5365
CAGE: 64829 — ARVINMERITOR INC (USA)
SPECIFICATIONS
general_characteristics_item_descriptionALUMINUM BRONZE ALLOY,8.875 IN. LG,8.875 IN. W,1.062 IN. O/A H,7.705 IN. MIN 7.710 IN. MAX BORE DIA,4 MTG HOLES 0.688 IN. DIA EQUALLY SPACED ON 9.375 IN. BOLT CIRCLE DIA IN
NSN5365-00-218-5458
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available RING,CASE RETAINING TITLE COMPONENT PN HR22581 MFR RING,CASE RETAINING
KEY FEATURES
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GENERAL CHARACTERISTICS ITEM DESCRIPTION: ALUMINUM BRONZE ALLOY,8.875 IN. LG,8.875 IN. W,1.062 IN. O/A H,7.705 IN. MIN 7.710 IN. MAX BORE DIA,4 MTG HOLES 0.688 IN. DIA EQUALLY SPACED ON 9.375 IN. BOLT CIRCLE DIA IN
TECHNICAL CHARACTERISTICS (FLIS)
GENERAL CHARACTERISTICS ITEM DESCRIPTIONALUMINUM BRONZE ALLOY,8.875 IN. LG,8.875 IN. W,1.062 IN. O/A H,7.705 IN. MIN 7.710 IN. MAX BORE DIA,4 MTG HOLES 0.688 IN. DIA EQUALLY SPACED ON 9.375 IN. BOLT CIRCLE DIA IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
103183Interchangeable
interchangeable cross-reference
interchangeable
B4245Interchangeable
interchangeable cross-reference
interchangeable
48683Interchangeable
interchangeable cross-reference
interchangeable
23599Interchangeable
interchangeable cross-reference
interchangeable
001556Interchangeable
interchangeable cross-reference
interchangeable
3279072Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is HR22581?
HR22581 is a RING,CASE RETAINING.
What parts can replace HR22581?
There are 6 known substitutes for HR22581: 103183, B4245, 48683 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for HR22581?
HR22581 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5365-00-218-5458. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026